The operation keyboard in the passenger car cab is described in detail as follows:
1. Power switch: When the power switch is set to "I", the control panel starts to be electrified, and the evaporator fan of the air conditioner starts to work. When the power switch is set to "0", the control panel will not be charged and the air conditioner will stop working.
2. Fresh air switch: When the fresh air switch is set to "I", the fresh air door of the air conditioner is opened, and the system starts to exchange fresh air. When the fresh air switch is set to "0", the air conditioner fresh air door is closed and the system stops fresh air exchange.
3. Air volume switch: This switch is a three-stage switch, divided into three gears: high, medium and low; the middle "0" is low speed, the bottom "one-" is medium speed, and the upper end "=" is high speed. When starting refrigeration, please set the air volume switch to high speed.
4. Temperature setting knob: divided into two states of "ventilation" and "set temperature". Turn it counterclockwise to the bottom and turn it off to be in the "ventilation" state. In this state, only the evaporator fan can be turned on but not the refrigeration; turn it clockwise to be in the "set temperature" state, and you can choose any position.
Each button of the bus:
1. Light function key. It mainly includes front fog lights, rear fog lights, width lights, etc.
2. The wiper function key. Including Pengshui, rear windshield and other function keys.
3. Steering wheel function keys, including automatic direction adjustment and manual adjustment function keys.
4. Display panel function keys. Including water temperature, speed, fuel and other function keys.